4-4 Complex Numbers
Simplify. 1. SOLUTION: 3. (4i)(–3i)
SOLUTION: 5. SOLUTION: Solve each equation.
7. SOLUTION: Find the values of a and b that make each equation true.
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(4b +-2)i
= 9 –by6iCognero
9. 3a +Manual
SOLUTION: Page 1
4-4 Complex
Numbers
Find the values of a and b that make each equation true.
9. 3a + (4b + 2)i = 9 – 6i
SOLUTION: Set the real parts equal to each other.
Set the imaginary parts equal to each other.
Simplify.
11. (–1 + 5i) + (–2 – 3i)
SOLUTION: 13. (6 – 8i)(9 + 2i)
SOLUTION: 15. SOLUTION: eSolutions Manual - Powered by Cognero
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4-4 Complex Numbers
15. SOLUTION: CCSS STRUCTURE Simplify.
19. SOLUTION: 21. SOLUTION: 23. 4i(–6i)
2
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SOLUTION: Page 3
4-4 Complex Numbers
23. 4i(–6i)
2
SOLUTION: 25
25. i
SOLUTION: 27. (–3 + i) + (–4 – i)
SOLUTION: 29. (11 – 8i) – (2 – 8i)
SOLUTION: 31. (3 + 5i)(5 – 3i)
SOLUTION: 33. eSolutions Manual - Powered by Cognero
SOLUTION: Page 4
4-4 Complex Numbers
33. SOLUTION: eSolutions Manual - Powered by Cognero
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